CN220134044U - Valve bridge - Google Patents

Abstract

The utility model relates to the technical field of engine parts, in particular to a valve bridge, which comprises a valve bridge main body, wherein the middle part of the upper end of the valve bridge main body is fixedly connected with an oil filling port, the lower end of the valve bridge main body is fixedly connected with a valve bridge guide pipe, the left end and the right end of the valve bridge main body are fixedly connected with mounting cylinders, the upper ends of the two mounting cylinders are fixedly connected with limiting blocks, the upper ends of the two limiting blocks are provided with limiting grooves, the left end and the right end of the two limiting blocks are provided with limiting holes, the two limiting grooves are connected with limiting mechanisms in a clamping mode, and the upper ends of the two limiting mechanisms are connected with screw rods in a penetrating mode. According to the valve bridge, lubricating oil is injected into the oil injection groove from the oil injection port, the oil injection groove is used for introducing the lubricating oil into the two mounting cylinders through the two lubricating oil channels to lubricate the two screws, so that the screws can be conveniently disassembled, subsequent overhaul and maintenance are convenient, and the mounting and fastening effects can be improved.

Description

Valve bridge

Technical Field

The utility model relates to the technical field of engine parts, in particular to a valve bridge.

Background

At present, in order to prevent that the valve bridge from falling off the valve, ensure that the valve bridge always moves up and down along the setting direction, generally use the bolt to guide the valve bridge, the bolt is fixed in the cylinder cap, the bolt generally comprises screw rod and nut, can produce great vibrations when the engine works, can make the nut become flexible to make the screw rod become flexible, increased the possibility that the valve bridge drops off, and because the screw rod is difficult to twist it after long-time use, influence subsequent dismantlement maintenance, so we release a new valve bridge.

Disclosure of Invention

The utility model mainly aims to provide a valve bridge, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a valve bridge, includes the valve bridge main part, valve bridge main part upper end middle part fixedly connected with oiling mouth, valve bridge main part lower extreme fixedly connected with valve bridge pipe, valve bridge main part left end and the equal fixedly connected with installation section of thick bamboo of right-hand member, two equal fixedly connected with stopper in installation section of thick bamboo upper end, two the spacing groove is all opened to the stopper upper end, two spacing hole is all opened to stopper left end and right-hand member, two equal block is connected with stop gear in the spacing groove, two stop gear upper end all alternates and is connected with the screw rod.

Preferably, the valve bridge main body comprises a connecting cylinder, the upper end of the connecting cylinder is fixedly connected with an oil filling port, the lower end of the connecting cylinder is fixedly connected with a valve bridge guide pipe, the left part of the outer surface of the connecting cylinder and the right part of the outer surface of the connecting cylinder are fixedly connected with connecting blocks, an oil filling groove is formed in the connecting cylinder, and lubricating oil channels are formed in the two connecting blocks.

Preferably, the oil injection groove corresponds to the vertical position of the oil injection port, the two lubricating oil channels are communicated with the inside of the oil injection groove, and one ends of the two lubricating oil channels, which are far away from the oil injection groove, are respectively communicated with the inside of the two mounting cylinders.

Preferably, the stop gear includes stop nut, left part and interior right part all open in the stop nut have the movable groove, two the equal fixedly connected with spring of movable groove inslot wall, two the equal fixedly connected with movable block of one end that the movable groove inslot wall was kept away from to the spring, two the equal fixedly connected with spacing post of one end that the spring was kept away from to the movable block.

Preferably, the limit nut is connected with the limit groove in a clamping way, and the middle part of the upper end of the limit nut is connected with the screw in a penetrating way.

Preferably, the outer surfaces of the two movable blocks are respectively and movably connected with the inner walls of the two movable grooves, and one ends of the two limiting columns, which are far away from the movable blocks, are respectively and fixedly connected with the two limiting holes.

Compared with the prior art, the utility model has the following beneficial effects:

1. the connecting cylinder is internally provided with the oil injection groove, the two connecting blocks are internally provided with the lubricating oil ducts, the two lubricating oil ducts are communicated with the oil injection groove, one side of each of the two lubricating oil ducts, which is far away from the oil injection groove, is respectively communicated with the insides of the two mounting cylinders, lubricating oil is injected into the oil injection groove from the oil injection opening through connecting the oil injection pipe with the oil injection opening, and the oil injection groove is used for introducing the lubricating oil into the two mounting cylinders through the two lubricating oil ducts to lubricate the two screw rods, so that the screw rods are convenient to detach, and the subsequent overhaul and maintenance are convenient;

2. through setting up stop gear, through pressing two spacing posts, make two spacing posts respectively toward two movable inslot contractions and through two movable blocks extrusion two springs, then with the spacing inslot in the stopper of spacing nut joint, two spacing posts pop out from two spacing holes respectively under the elasticity reset of spring to make spacing nut can carry out spacingly, the vibration that avoids engine work to produce leads to spacing nut not hard up, can improve the installation fastening effect.

Drawings

FIG. 1 is a schematic illustration of the overall structure of a valve bridge according to the present utility model;

FIG. 2 is a schematic diagram of the overall structure of a valve bridge displacement mechanism according to the present utility model;

FIG. 3 is a schematic diagram of the overall structure of a driving mechanism of a valve bridge according to the present utility model;

fig. 4 is a schematic diagram of the overall structure of a shielding protection device for a valve bridge according to the present utility model.

In the figure: 1. a valve bridge body; 2. an oil filling port; 3. a valve bridge conduit; 4. a mounting cylinder; 5. a limiting block; 6. a limit groove; 7. a limiting hole; 8. a limiting mechanism; 9. a screw; 10. a connecting cylinder; 11. connecting the building blocks; 12. an oil injection groove; 13. a lubrication oil passage; 14. a limit nut; 15. a movable groove; 16. a spring; 17. a movable block; 18. and a limit column.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a valve bridge, including valve bridge main part 1, valve bridge main part 1 upper end middle part fixedly connected with oiling mouth 2, valve bridge main part 1 lower extreme fixedly connected with valve bridge pipe 3, valve bridge main part 1 left end and equal fixedly connected with of right-hand member install a section of thick bamboo 4, two equal fixedly connected with stopper 5 of 4 upper ends of an installation section of thick bamboo, spacing groove 6 has all been opened to two stopper 5 upper ends, spacing hole 7 has all been opened to two stopper 5 left ends and right-hand member, all block connection has stop gear 8 in two spacing groove 6, two stop gear 8 upper ends all alternate and are connected with screw rod 9.

In this embodiment, the valve bridge main body 1 includes a connecting cylinder 10, the upper end of the connecting cylinder 10 is fixedly connected with the oil filling port 2, the lower end of the connecting cylinder 10 is fixedly connected with the valve bridge conduit 3, the left part of the outer surface of the connecting cylinder 10 and the right part of the outer surface of the connecting cylinder are fixedly connected with connecting blocks 11, an oil filling groove 12 is formed in the connecting cylinder 10, lubricating oil channels 13 are formed in the two connecting blocks 11, the oil filling groove 12 corresponds to the vertical position of the oil filling port 2, the two lubricating oil channels 13 are communicated with the interior of the oil filling groove 12, one ends of the two lubricating oil channels 13, which are far away from the oil filling groove 12, are respectively communicated with the interiors of the two mounting cylinders 4, lubricating oil is filled into the oil filling groove 12 from the oil filling port 2 through connecting the oil filling pipe with the oil filling port 2, and the oil filling groove 12 is filled into the two mounting cylinders 4 through the two lubricating oil channels 13 to lubricate the two screw rods 9, so that the screw rods 9 can be conveniently disassembled, and the subsequent overhauling and maintenance are convenient.

In this embodiment, stop gear 8 includes stop nut 14, left portion and interior right part all open movable groove 15 in stop nut 14, two equal fixedly connected with springs 16 of movable groove 15 inslot wall, two equal fixedly connected with movable block 17 of one end of movable groove 15 inslot wall is kept away from to springs 16, two equal fixedly connected with spacing post 18 of one end that the spring 16 was kept away from to movable block 17, stop nut 14 and spacing groove 6 block connection, stop nut 14 upper end middle part and screw rod 9 alternate connection, two movable block 17 surface respectively with two movable groove 15 inslot wall swing joint, two spacing post 18 keep away from the one end of movable block 17 respectively with two spacing hole 7 block connection, two spacing posts 18 pop out from two spacing holes 7 respectively under spring 16's elasticity reset, thereby make stop nut 14 can carry out spacingly, the vibration that the engine work produced is avoided leading to stop nut 14 not hard up, can improve the installation fastening effect.

It should be noted that, in the use process, the two limiting posts 18 are pressed to enable the two limiting posts 18 to retract into the two movable grooves 15 respectively and extrude the two springs 16 through the two movable blocks 17, then the limiting nuts 14 are clamped into the limiting grooves 6 in the limiting blocks 5, the two limiting posts 18 are respectively ejected out of the two limiting holes 7 under the reset of the elastic force of the springs 16, so that the limiting nuts 14 can be limited, the loosening of the limiting nuts 14 caused by vibration generated by the working of an engine is avoided, the installation fastening effect can be improved, the oil injection grooves 12 are arranged in the connecting cylinders 10, the lubricating oil channels 13 are arranged in the two connecting blocks 11, the two lubricating oil channels 13 are communicated with the oil injection grooves 12, one sides of the two lubricating oil channels 13 far away from the oil injection grooves 12 are respectively communicated with the insides of the two mounting cylinders 4, the lubricating oil is injected into the oil injection grooves 12 from the oil injection grooves 2 through the oil injection grooves 2, the two lubricating channels 12 are led into the two mounting cylinders 4 through the two lubricating oil channels 13, the two screw rods 9 can be conveniently overhauled, and the subsequent screw rods 9 can be conveniently overhauled.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. A valve bridge comprising a valve bridge body (1), characterized in that: the novel valve bridge comprises a valve bridge main body (1), an oil filling port (2) is fixedly connected to the middle of the upper end of the valve bridge main body (1), a valve bridge guide pipe (3) is fixedly connected to the lower end of the valve bridge main body (1), an installation cylinder (4) is fixedly connected to the left end and the right end of the valve bridge main body (1), a limiting block (5) is fixedly connected to the upper end of the installation cylinder (4), a limiting groove (6) is formed in the upper end of the limiting block (5), limiting holes (7) are formed in the left end and the right end of the limiting block (5), a limiting mechanism (8) is fixedly connected to the inner end of the limiting groove (6), and a screw (9) is fixedly connected to the upper end of the limiting mechanism (8) in an inserting mode;

valve bridge main part (1) are including connecting cylinder (10), connecting cylinder (10) upper end and oiling mouth (2) fixed connection, connecting cylinder (10) lower extreme and valve bridge pipe (3) fixed connection, connecting cylinder (10) surface left part and surface right part all fixedly connected with connecting block (11), connecting cylinder (10) are inside to be opened has oil filler groove (12), two connecting block (11) are inside to all to be opened has lubricating oil duct (13).

2. A valve bridge as defined in claim 1, wherein: the oil injection groove (12) corresponds to the vertical position of the oil injection port (2), the two lubricating oil channels (13) are communicated with the inside of the oil injection groove (12), and one ends of the two lubricating oil channels (13) away from the oil injection groove (12) are respectively communicated with the inside of the two mounting cylinders (4).

3. A valve bridge as defined in claim 1, wherein: stop gear (8) are including stop nut (14), left part and interior right part all open in stop nut (14) have movable groove (15), two the equal fixedly connected with spring (16) of movable groove (15) inslot wall, two the equal fixedly connected with movable block (17) of one end of movable groove (15) inslot wall is kept away from to spring (16), two the equal fixedly connected with spacing post (18) of one end that spring (16) was kept away from to movable block (17).

4. A valve bridge as defined in claim 3, wherein: the limiting nut (14) is connected with the limiting groove (6) in a clamping mode, and the middle of the upper end of the limiting nut (14) is connected with the screw rod (9) in a penetrating mode.

5. A valve bridge as defined in claim 3, wherein: the outer surfaces of the two movable blocks (17) are respectively and movably connected with the inner walls of the two movable grooves (15), and one ends of the two limiting columns (18) far away from the movable blocks (17) are respectively and fixedly connected with the two limiting holes (7).